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Which reagent could be used to separate a mixture of aniline and toluene? A) KMnO4 in H2O B) Dilute NaOH C) Dilute NaHCO3 D) Ag(NH3)2OH E) Dilute HCl
unknown molecular (nonelectrolyte) compound in 102.0 g of water was found to have a freezing point of -1.8 degrees C. Calculate the molar mass of the unknown compound.
Nitrogen dioxide decomposes at 6.50 x 10-3 M s-1 during the reaction: 2NO2(g) --> 2NO(g) + O2(g) Answer the following questions:
What holds solids or liquids and carries out reactions? what is used to mix or combine two or more substances? what it used to support an iron ring or clamp?
How many moles of oxygen are consumed in burning 1.60 moles of benzene, C6H6?
When 26.0 mL of 0.565 M H2SO4 is added to 26.0 mL of 1.13 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate H of this reaction per mole of H2SO4 and KOH reacted.
List and describe at least three prokaryotic cellular features that could be targeted in this way to inhibit or kill a bacterial pathogen.
For each of the following reactions, identify which reactant is the Lewis acid. Select 1 if the first listed reactant is the Lewis acid or 2 if the second listed reactant is the Lewis acid
the order of the reaction was n=0 and the value of the rate constant was 3.41*10^-3 M s^-1. I could find the order of reaction and the value of the rate constant but I am clueless about how to find the rate of reaction when [A]=0.15M.
if the observed rate constant for the oxidation reaction at 35 C is 6.75*10^-2 min^-1, and at 25 C is 3.25*10^-2 min ^-1. what is the activation energy for the reaction
A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide. 2 HgO(s)-----> 2 Hg(l) + O2(g) delta H rxn = 181.6 kJ (a) How much heat is needed to decompose 505 g of the oxide
Express you answer as a chemical equation. Identify all of the phases in your answer.
How many mL of 1.74 M HCl solution can react with 71.5 g calcium carbonate? CaCO3(s) + 2 HCl(aq) ? CaCl2(aq) + H2O(l) + CO2(g)?
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